15. Mercurial sulfhydryl is an inhibitor of aquaporins. Which of the following isthe most likely effect of adding mercurial sulfhydryl to the distilled water solution?
A).The grape cells will burst because of excess water entering by activetransport.
B).The grape cells will gain more water because of the activation of thetransport protein
.C).The grape cells will shrink because active transport has been inhibited.
D).The grape cells will gain water more slowly because of a lack of facilitateddiffusion

D

Explanation:

Water transport via aquaporins is characteristically inhibited by mercurial reagents, which react with sulfhydryl groups in the channel proteins and result in closure of the channels.

hydroxyl -oh

alcohols, always polar, can form hydrogen bonds with h2o molecules

carboxyl -cooh  

cargoxylic acids, has acidic properties which is a source of hydrogen ions, found in cells in ionized for with a charge of oh-1

carbonyl > co

ketone if within skeleton, aldehyde if group is at the end of skeleton, k & a may be structural isomers, it determines 2 sugars (ketose & aldose)

amino -nh2

amines, acts as a base, it can pick up h+ ions from surrounding solution, ionized with charge of 1+

methyl ch2

addition to rna/dna affects and gene expression

phosphate -opo3 ²⁻

organic phosphates, contributes to negative charge to, molecule that it is a part of, and potential to react with h20

sulfhydryl -sh

thiols, cross-linking stabilize the protein, and it is structure

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explanation: